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Capri Colony Park Comet Cougar Marquis Montego Monterey

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1973 Mercury Montego Spark Plug 8 Cyl 5.0L Autolite

Autolite AP45 Platinum Spark Plug
Gap .035 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

19145288, 22, 2438, 5007, ASF34, BF32, BRF32, BRF42, BSF42, BSF42C, BTF42, BTRF42, DR8DP, HR8LPX6, SP420, WR5VX

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Mercury Montego	V	-	8 Cyl 5.0L	302

56 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP45
Condition	New
Warehouse	B

UPC: 009100256270

1973 Mercury Marquis Spark Plug 8 Cyl 5.8L Autolite

Autolite AP45 Platinum Spark Plug
18 (mm) Thread Size
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	Engine Version	CID
1973 - Mercury Marquis	V	5753	8 Cyl 5.8L	Windsor	351

56 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP45
Condition	New
Warehouse	B

UPC: 009100256270

1973 Mercury Capri Spark Plug 4 Cyl 2.0L Autolite

Autolite AP45 Platinum Spark Plug
Gap .035 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Mercury Capri	L	1993	4 Cyl 2.0L	122

56 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP45
Condition	New
Warehouse	B

UPC: 009100256270

1973 Mercury Monterey Spark Plug 8 Cyl 6.6L Autolite

Autolite AP25 Platinum Spark Plug
Gap .035 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

2, 2423, 3018, 406, 4AF2, 5024, 6113, ARF42, ASF42, ASF42P, CR43TSM, F6TE12405MA, HR9BP+ , HR9BPP30V, HR9BPP30X, HR9BPX+ , PP002E, R43TS...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Mercury Monterey	V	-	8 Cyl 6.6L	400

50 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP25
Condition	New
Warehouse	B

UPC: 009100252449

1973 Mercury Montego Spark Plug 8 Cyl 5.8L Autolite

Autolite AP25 Platinum Spark Plug
14 (mm) Thread Size
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	Engine Version	CID
1973 - Mercury Montego	V	5753	8 Cyl 5.8L	Cleveland	351

50 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP25
Condition	New
Warehouse	B

UPC: 009100252449

1973 Mercury Comet Spark Plug 8 Cyl 5.0L Autolite

Autolite APP45 Double Platinum Spark Plug
Gap .035 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

7510, WR5IX

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Mercury Comet	V	-	8 Cyl 5.0L	302

4 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP45
Condition	New
Warehouse	B

UPC: 009100260123

1973 Mercury Cougar Spark Plug 8 Cyl 5.8L Autolite

Autolite APP45 Double Platinum Spark Plug
18 (mm) Thread Size
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	Engine Version	CID
1973 - Mercury Cougar	V	5753	8 Cyl 5.8L	Windsor	351

4 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP45
Condition	New
Warehouse	B

UPC: 009100260123

1973 Mercury Monterey Spark Plug 8 Cyl 6.6L Autolite

Autolite APP25 Double Platinum Spark Plug
Gap .035 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

41-803, 7018, AF42C, CR43TSM, R43TS, R44TS, RV17PMP4, SP450

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Mercury Monterey	V	6556	8 Cyl 6.6L	400

4 In Stock

Limited-Time Offer

$14.25 USD

$17.10 USD


Brand	Autolite
Part #	A77APP25
Condition	New
Warehouse	B

UPC: 009100260086

1973 Mercury Colony Park Spark Plug 8 Cyl 5.8L Autolite

Autolite APP25 Double Platinum Spark Plug
14 (mm) Thread Size
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	Engine Version	CID
1973 - Mercury Colony Park	V	5753	8 Cyl 5.8L	Cleveland	351

4 In Stock

Limited-Time Offer

$14.25 USD

$17.10 USD


Brand	Autolite
Part #	A77APP25
Condition	New
Warehouse	B

UPC: 009100260086

1973 Mercury Capri Spark Plug 4 Cyl 2.0L Autolite

Autolite APP45 Double Platinum Spark Plug
Gap .035 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.715
  - 18.16
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4